CN218275632U - Explosion-proof intermediate frequency power supply control cabinet - Google Patents

Abstract

The utility model discloses a can blast proof intermediate frequency power supply control cabinet, including reinforceing frame, explosion vent, protection base and pressure balance subassembly, the warning light is installed in the left side of reinforceing the frame, install the explosion vent in the centre of reinforceing the frame, protection pedestal mounting is in the bottom of reinforceing the frame, the pressure balance subassembly sets up in the inside of reinforceing the frame. This integration support that adjustable photovoltaic power generation electric power engineering used, utilize the multilayer structure who strengthens the frame, can effectively alleviate and block flame and the shock wave that the outside explosion of power control cabinet produced, also can effectively completely cut off damp and liquid simultaneously, guarantee the drying in the power control cabinet, utilize the pressure balance subassembly to make the internal portion of cabinet fill high-pressure safety gas, through the internal air pressure control circuit break-make of cabinet, eliminate explosion danger, utilize protection base and dehumidifier, can also effectively eliminate power control cabinet humid gas all around when can following the firm whole power control cabinet in bottom, avoid the rusty condition of corroding to appear in the cabinet body.

Description

Explosion-proof intermediate frequency power supply control cabinet

Technical Field

The utility model relates to an intermediate frequency power supply control cabinet technical field specifically is intermediate frequency power supply control cabinet that can be explosion-proof.

Background

The power cabinet is a general name of a motor control center, and is used for protecting, monitoring and controlling loads in a circuit when the loads are dispersed and loops are few.

The utility model discloses a totally enclosed intermediate frequency power supply control cabinet as application number CN201010213080.0, including a cabinet body, the both sides face of this cabinet body is the door plant, its characterized in that, the door plant divide into a plurality of region, each region comprises one or two doors, keeps apart through a no magnetism corrosion resistant plate between the adjacent two regions, the cabinet body inside along the front of the cabinet body divide into rectification region, contravariant region and condenser region backward in proper order, still include one and set up in the inboard lock link mechanism of door plant. The utility model discloses a totally enclosed intermediate frequency power supply control cabinet, with all main circuits and the control system integration in frequency conversion equipment in a totally enclosed steel cabinet, the customer end as long as switch on the inlet wire power, the intermediate frequency output at the switch board only need directly receive the load end can.

The intermediate frequency power supply control cabinet similar to the above application has the following disadvantages:

the structure of the device does not have an explosion-proof structural design in the using process, the device cannot be directly applied to the control and use of an offshore oilfield power system, and the sealing property is still to be improved.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an explosion-proof intermediate frequency power supply control cabinet is provided in order to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intermediate frequency power switch board that can be explosion-proof to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the intermediate frequency power supply control cabinet capable of being explosion-proof comprises a strengthening frame, an explosion door, a protection base and a pressure balance assembly, wherein a warning lamp is installed on the left side of the strengthening frame, a controller is installed on the right side of the strengthening frame, the explosion door is installed in the middle of the strengthening frame, the protection base is installed at the bottom of the strengthening frame, a dehumidifier is installed at the middle end of the inside of the protection base, the pressure balance assembly is arranged in the strengthening frame, the strengthening frame comprises a strengthening cast steel plate, a strengthening buffer and an explosion-proof filler, the strengthening cast steel plate is internally provided with the strengthening buffer, and the explosion-proof filler is arranged between the strengthening cast steel plate and the strengthening buffer.

Further, explosion-proof door includes high strength door frame, resistant oily rubber seal, explosion-proof glass, door-hinge, pull rod and hydraulic pressure door-hinge, be provided with resistant oily rubber seal around the high strength door frame, and the centre of high strength door frame is provided with explosion-proof glass, the door-hinge is installed on the right side of high strength door frame, and the both ends of door-hinge all are provided with the pull rod, hydraulic pressure door-hinge is installed to the upper end of pull rod.

Furthermore, the protection base comprises a base table base, a supporting bottom column, a grounding screw, a horizontal supporting beam and fixed side plates, the supporting bottom column is installed on the top horizontal portion array of the base table base, the grounding screw is arranged inside the supporting bottom column, the horizontal supporting beam is welded to the top of the supporting bottom column, and the fixed side plates are installed on the two sides of the base table base.

Further, the pressure balance subassembly includes admission valve, protective gas generator, air pressure regulator, discharge valve, relief valve and gas outlet, protective gas generator is installed in the left side of admission valve, and protective gas generator's bottom is connected with the air pressure regulator, the bottom of air pressure regulator is connected with discharge valve, the relief valve is installed in the left side of air pressure regulator, and the gas outlet is installed in the left side of relief valve.

Furthermore, the explosion door is symmetrically installed on the vertical central axis of the reinforced frame, the pull door rod and the hydraulic door rod are connected to the door shaft in parallel, and the pull door rod and the hydraulic door rod are symmetrically installed on the horizontal central axis of the door shaft.

Furthermore, four supporting bottom columns are symmetrically and equidistantly arranged on the vertical middle axis of the base table base, and the fixed side plates are symmetrically arranged on the vertical middle axis of the base table base.

Furthermore, the reinforced cast steel plates are welded in a shape like a Chinese character 'kou', the reinforced cast steel plates and the reinforced buffer form a double-layer structure, and the reinforced buffer is arranged between the two layers of reinforced cast steel plates at equal intervals in the horizontal direction and the vertical direction.

The utility model provides a can explosion-proof intermediate frequency power switch board possesses following beneficial effect: utilize the multilayer structure setting of reinforceing the frame, can effectually alleviate and block flame and the shock wave that the outside explosion of power control cabinet produced, also can effectual isolated damp and liquid simultaneously, guarantee the inside drying of power control cabinet, utilize the structure setting of explosion-proof door, can conveniently observe the inside particular case of power control cabinet in the time of not opening the cabinet door on the one hand, connection control through the controller also makes things convenient for the cabinet door to have more when overhauing the needs automatic opening simultaneously, and utilize the pressure balance subassembly to make the internal portion of cabinet fill high-pressure safety gas, through the break-make of cabinet internal pressure control circuit, eliminate explosion hazard, further utilize the structure setting of protection base and dehumidifier, can also effectually eliminate power control cabinet humid gas all around when can following the firm whole power control cabinet in bottom, avoid the cabinet body to appear corroding rusty condition.

1. The utility model discloses, through having set up the multilayer structure who strengthens the frame, the cabinet body that becomes double-deck frame is welded each other to the intensive steel sheet of casting that will thicken, simultaneously cast and be provided with the several between the steel sheet at double-deck frame's enhancement and strengthen the buffer, the cooperation is by the rock wool, aluminum silicate fiber cotton, the perlite, the explosion-proof filler that the silicon calcium PLASTIC LAMINATED makes up, can resist and subdue the strong shock wave that external explosion produced in the at utmost, strengthen a plurality of settings of buffer simultaneously and also reduce double-deck enhancement as far as and cast the steel sheet and produce serious deformation because the atress.

2. The utility model discloses, through having set up the explosion vent, on the one hand for whole power control cabinet provides the door body that can open and shut beyond, the convenience overhauls the electronic components of inside, bilayer structure simultaneously, its thickness reaches 50 mm's explosion-proof glass can conveniently observe the inside particular case of power control cabinet when not opening the cabinet door, its structural strength can bear fairly high external shock, help connection control through the controller also makes things convenient for the cabinet door to have more the maintenance to examine and repair the automatic opening when needing, and the structure of high strength door frame is similar to the structure setting of safe door, the structural strength of explosion vent itself has been improved, and the resistant oily rubber seal circle that sets up around the high strength door frame has further improved the leakproofness of explosion vent after the closure, effectual dust with the external world, damp gas or other harmful substance are isolated to open.

3. The utility model discloses, through the mutual cooperation that has set up protection base and dehumidifier, can follow the firm whole power control cabinet in bottom on the one hand, avoid appearing the cabinet body and receive the problem that external force influences appear empting, and the certain distance of ground lifting is followed with whole power control cabinet to the support foundation of elevating, utilize the assistance of fixed curb plate to use, can further avoid the liquid direct contact on ground to the power control cabinet, simultaneously through the dehumidifier that sets up in the middle of the base platform base, can effectual elimination power control cabinet be around including the humid gas of bottom, avoid the rusty condition of corrosion to appear in the cabinet body.

4. The utility model discloses, through having set up the pressure balance subassembly, utilize the regulation and control of controller, make the interior normal operation of cabinet 200PA to 300PA, when cabinet internal pressure is less than 100PA, the automatic total power that cuts off of system, pressure in the cabinet is when being higher than 400PA, then the relief valve is opened, keep within normal operating pressure scope in making the cabinet, prevent the high pressure and dash the cabinet, fill high pressure when inside and fill safety gas and make cabinet internal portion atmospheric pressure higher than the external world through the air supply, the event can have prevented outside combustible high-pressure gas, moisture, the invasion of dust plays explosion-proof effect, through the cabinet internal pressure control circuit break-make, eliminate explosion hazard.

Drawings

Fig. 1 is a schematic side view of the body of the explosion-proof intermediate frequency power control cabinet of the present invention;

fig. 2 is a schematic structural view of a pressure balance assembly of the explosion-proof intermediate frequency power control cabinet of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the dehumidifier of the explosion-proof intermediate frequency power control cabinet of the present invention.

In the figure: 1. a reinforcing frame; 101. strengthening the cast steel plate; 102. a reinforced buffer; 103. an explosion-proof filler; 2. a warning light; 3. a controller; 4. an explosion vent; 401. a high-strength door frame; 402. an oil-resistant rubber seal ring; 403. explosion-proof glass; 404. a door shaft; 405. a door pull rod; 406. a hydraulic door lever; 5. a protective base; 501. a base platform base; 502. supporting the bottom pillar; 503. a ground screw; 504. a horizontal support beam; 505. fixing the side plate; 6. a dehumidifier; 7. a pressure balancing assembly; 701. an intake valve; 702. a shielding gas generator; 703. an air pressure regulator; 704. an exhaust valve; 705. a pressure relief valve; 706. and an air outlet.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-2, an explosion-proof intermediate frequency power control cabinet includes a reinforced frame 1, an explosion-proof door 4, a protective base 5 and a pressure balance assembly 7, wherein a warning light 2 is installed on the left side of the reinforced frame 1, a controller 3 is installed on the right side of the reinforced frame 1, the explosion-proof door 4 is installed in the middle of the reinforced frame 1, the protective base 5 is installed at the bottom of the reinforced frame 1, a dehumidifier 6 is installed at the middle end inside the protective base 5, the pressure balance assembly 7 is installed inside the reinforced frame 1, the reinforced frame 1 includes a reinforced cast steel plate 101, a reinforced buffer 102 and an explosion-proof filler 103, the reinforced cast steel plate 101 is internally provided with the reinforced buffer 102, the explosion-proof filler 103 is arranged between the reinforced cast steel plate 101 and the reinforced buffer 102, and the reinforced cast steel plate 101 is welded in a shape of a "square", the reinforced cast steel plates 101 and the reinforced buffers 102 form a double-layer structure, the reinforced buffers 102 are arranged between two layers of reinforced cast steel plates 101 at equal intervals in the horizontal direction and the vertical direction, the reinforced cast steel plates 101 which are thickened are mutually welded into a cabinet body with a double-layer frame through a multi-layer structure provided with the reinforced frame 1, meanwhile, a plurality of reinforced buffers 102 are arranged between the reinforced cast steel plates 101 of the double-layer frame, and the reinforced buffers 102 are matched with an explosion-proof filler 103 formed by combining rock wool, aluminum silicate fiber wool, perlite and a calcium silicon fireproof plate, so that strong shock waves generated by external explosion can be resisted and reduced to the greatest extent, and meanwhile, the serious deformation of the double-layer reinforced cast steel plates 101 caused by stress is reduced as much as possible due to the arrangement of the reinforced buffers 102.

The explosion-proof door 4 comprises a high-strength door frame 401, an oil-resistant rubber sealing ring 402, explosion-proof glass 403, a door shaft 404, a sliding door rod 405 and a hydraulic door rod 406, the oil-resistant rubber sealing ring 402 is arranged around the high-strength door frame 401, the explosion-proof glass 403 is arranged in the middle of the high-strength door frame 401, the door shaft 404 is arranged on the right side of the high-strength door frame 401, the sliding door rods 405 are arranged at two ends of the door shaft 404, the hydraulic door rod 406 is arranged at the upper end of the sliding door rod 405, the explosion-proof door 4 is symmetrically arranged on the vertical middle axis of the reinforced frame 1, the sliding door rod 405 and the hydraulic door rod 406 are connected to the door shaft 404 in parallel, the sliding door rod 405 and the hydraulic door rod 406 are symmetrically arranged on the horizontal middle axis of the door shaft 404, the explosion-proof door 4 is arranged, on the one hand, the openable and closable door is provided for the whole power supply control cabinet, the maintenance of the internal electronic components is facilitated, meanwhile, the double-layer structure is formed by the explosion-proof glass 403 with the thickness of 50mm, the effect that the sealing strength of the opening of the vertical door 4 and the sealing ring can be improved according to the external impact strength of the vertical expansion and the sealing ring 401, the external expansion and the external sealing structure, the external expansion and the sealing structure of the explosion-proof door can be improved.

The protection base 5 comprises a base platform 501, a supporting bottom column 502, a grounding screw 503, a horizontal supporting beam 504 and a fixed side plate 505, wherein the supporting bottom column 502 is arranged on the top horizontal part array of the base platform 501, the grounding screw 503 is arranged in the supporting bottom column 502, the horizontal supporting beam 504 is welded on the top of the supporting bottom column 502, the fixed side plates 505 are all arranged on two sides of the base platform 501, the supporting bottom columns 502 are symmetrically arranged with equal distance on the vertical central axis of the base platform 501, the fixed side plates 505 are symmetrically arranged with the vertical central axis of the base platform 501, through the mutual cooperation of the protection base 5 and the dehumidifier 6, utilize the inside ground screw 503 of support sill 502 to go deep into under the ground on the one hand, from the firm whole power control cabinet in bottom, the problem of toppling over appears in the cabinet body receiving external force to influence avoiding appearing, and the support sill 502 of elevating together with horizontal support beam 504 with whole power control cabinet from the certain distance of ground lifting, utilize the assistance of fixed curb plate 505 to use, can further avoid the liquid direct contact on ground to the power control cabinet, simultaneously through the dehumidifier 6 that sets up in the middle of base platform base 501, can effectually eliminate the humid gas of power control cabinet including the bottom around, avoid the rusty condition of corrosion to appear in the cabinet body.

The pressure balancing component 7 comprises an air inlet valve 701, a protective gas generator 702, an air pressure regulator 703, an exhaust valve 704, a pressure relief valve 705 and an air outlet 706, the protective gas generator 702 is installed on the left side of the air inlet valve 701, the air pressure regulator 703 is connected to the bottom of the protective gas generator 702, the exhaust valve 704 is connected to the bottom of the air pressure regulator 703, the pressure relief valve 705 is installed on the left side of the air pressure regulator 703, the air outlet 706 is installed on the left side of the pressure relief valve 705, the protective gas generator 702 is opened by using the regulation control of the controller 3 through the arrangement of the pressure balancing component 7, the whole cabinet is filled with gas through the exhaust valve 704, then the cabinet is normally operated from 200PA to 300PA through the air pressure regulator 703, when the cabinet internal pressure is lower than 100PA, the system automatically cuts off a main power supply, when the cabinet internal pressure is higher than 400PA, the air pressure is adjusted to be within a normal working pressure range from the exhaust valve 705 through opening the air inlet valve 701, high-pressure flushing is prevented, when the internal high-pressure is filled with safe gas and the cabinet internal pressure is higher than the external combustible pressure, so that the internal high-pressure of the cabinet is prevented from invading into the high-pressure gas 704, the internal air, the humidity and the humidity control circuit is eliminated.

In summary, as shown in fig. 1-3, in the integrated bracket for the adjustable photovoltaic power generation power engineering, when in use, the grounding screws 503 inside the supporting bottom pillars 502 in the protective base 5 are used to deeply penetrate into the ground, so as to stabilize the whole power control cabinet from the bottom, thereby avoiding the problem that the cabinet body is toppled under the influence of external force, and the raised supporting bottom pillars 502 and the horizontal supporting beams 504 raise the whole power control cabinet from the ground by a certain distance, the fixed side plates 505 around the base platform base 501 are used to further avoid the liquid on the ground from directly contacting the power control cabinet, and the dehumidifier 6 arranged in the middle of the base platform base 501 is started to eliminate the damp moisture around the power control cabinet including the bottom, wherein the thickened reinforced cast steel plates 101 are welded to each other to form a cabinet body of a double-layer frame, and meanwhile, a plurality of reinforced buffers 102 are arranged between the reinforced cast steel plates 101 of the double-layer frame, and the reinforced fillers 103 combined by rock wool, aluminum silicate fiber cotton, perlite and calcium silicate fire-proof plates are used to reduce the possible severe deformation of the reinforced steel plates 101 due to the greatest extent;

then, through the assisted connection control of the controller 3, the sliding door rod 405 and the hydraulic door rod 406 are simultaneously extended and retracted to open the explosion-proof door 4 along the vertical central axis of the door shaft 404, so that the high-strength door frame 401 provided with the explosion-proof glass 403 can be automatically opened according to the maintenance requirement, and an oil-resistant rubber sealing ring 402 is arranged around the high-strength door frame 401, so that the sealing performance of the explosion-proof door 4 after being closed is further improved, and then the explosion-proof door 4 is tightly closed by using the controller 3;

finally, the pressure balance component 7 is controlled by the adjustment of the controller 3, the protective gas generator 702 is started, the whole cabinet is filled with gas through the exhaust valve 704, then the gas pressure regulator 703 is used for enabling the cabinet to normally operate from 200PA to 300PA, when the pressure in the cabinet is lower than 100PA, the system automatically cuts off the main power supply, when the pressure in the cabinet is higher than 400PA, the gas pressure is discharged from the exhaust valve 704 through the air outlet 706 after the air inlet valve 701 and the pressure release valve 705 are opened, the gas pressure is adjusted to be within the normal working pressure range, the high-pressure cabinet flushing is prevented, and if the internal high pressure occurs and the internal pressure is not automatically adjusted timely, the warning lamp 2 flickers red light to give a prompt.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. Intermediate frequency power supply control cabinet that can blast proof, including strengthening frame (1), explosion vent (4), protection base (5) and pressure balance subassembly (7), its characterized in that: the anti-explosion protection device is characterized in that a warning lamp (2) is installed on the left side of the strengthening frame (1), a controller (3) is installed on the right side of the strengthening frame (1), an anti-explosion door (4) is installed in the middle of the strengthening frame (1), a protection base (5) is installed at the bottom of the strengthening frame (1), a dehumidifier (6) is installed at the middle end of the inside of the protection base (5), a pressure balance assembly (7) is arranged in the strengthening frame (1), the strengthening frame (1) comprises a strengthening cast steel plate (101), a strengthening buffer (102) and an anti-explosion filler (103), the strengthening cast steel plate (101) is internally provided with the strengthening buffer (102), and the anti-explosion filler (103) is arranged between the strengthening cast steel plate (101) and the strengthening buffer (102).

2. The intermediate frequency power supply control cabinet capable of being explosion-proof according to claim 1, wherein the explosion-proof door (4) comprises a high-strength door frame (401), an oil-resistant rubber sealing ring (402), explosion-proof glass (403), a door shaft (404), a door pull rod (405) and a hydraulic door rod (406), the oil-resistant rubber sealing ring (402) is arranged around the high-strength door frame (401), the explosion-proof glass is arranged in the middle of the high-strength door frame (401), the door shaft (404) is installed on the right side of the high-strength door frame (401), the door pull rods (405) are arranged at two ends of the door shaft (404), and the hydraulic door rod (406) is installed at the upper end of the door pull rod (405).

3. The explosion-proof intermediate frequency power supply control cabinet according to claim 1, wherein the protection base (5) comprises a base table base (501), a supporting bottom pillar (502), a grounding screw (503), a horizontal supporting beam (504) and a fixed side plate (505), the supporting bottom pillar (502) is installed on the top horizontal portion array of the base table base (501), the grounding screw (503) is arranged inside the supporting bottom pillar (502), the horizontal supporting beam (504) is welded on the top of the supporting bottom pillar (502), and the fixed side plate (505) is installed on two sides of the base table base (501).

4. The intermediate frequency power supply control cabinet capable of realizing explosion prevention according to claim 1, wherein the pressure balance assembly (7) comprises an air inlet valve (701), a protective gas generator (702), an air pressure regulator (703), an air outlet valve (704), a pressure relief valve (705) and an air outlet (706), the protective gas generator (702) is installed on the left side of the air inlet valve (701), the air pressure regulator (703) is connected to the bottom of the protective gas generator (702), the air outlet valve (704) is connected to the bottom of the air pressure regulator (703), the pressure relief valve (705) is installed on the left side of the air pressure regulator (703), and the air outlet (706) is installed on the left side of the pressure relief valve (705).

5. The explosion-proof intermediate frequency power supply control cabinet according to claim 2, characterized in that the explosion-proof door (4) is symmetrically installed with the vertical central axis of the reinforced frame (1), the door pulling rod (405) and the hydraulic door rod (406) are connected with the door spindle (404) in parallel, and the door pulling rod (405) and the hydraulic door rod (406) are symmetrically installed with the horizontal central axis of the door spindle (404).

6. The intermediate frequency power supply control cabinet capable of being explosion-proof according to claim 3, characterized in that the supporting bottom pillars (502) are symmetrically and equidistantly arranged with the vertical central axis of the base table base (501), and the fixed side plates (505) are symmetrically arranged with the vertical central axis of the base table base (501).

7. The explosion-proof intermediate frequency power supply control cabinet according to claim 1, characterized in that the reinforced cast steel plates (101) are welded in a shape like a Chinese character 'kou', and the reinforced cast steel plates (101) and the reinforced buffer (102) form a double-layer structure, and the reinforced buffer (102) is arranged between two layers of reinforced cast steel plates (101) at equal intervals in the horizontal direction and the vertical direction.

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